28548552 has 32 divisors (see below), whose sum is σ = 72892800. Its totient is φ = 9313344.

The previous prime is 28548547. The next prime is 28548577. The reversal of 28548552 is 25584582.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28548552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11527 + ... + 13782.

It is an arithmetic number, because the mean of its divisors is an integer number (2277900).

Almost surely, 2^28548552 is an apocalyptic number.

It is an amenable number.

28548552 is an abundant number, since it is smaller than the sum of its proper divisors (44344248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28548552 is a wasteful number, since it uses less digits than its factorization.

28548552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25365 (or 25361 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 28548552 is about 5343.0845024199. The cubic root of 28548552 is about 305.6290947967.

The spelling of 28548552 in words is "twenty-eight million, five hundred forty-eight thousand, five hundred fifty-two".